Finding the Fourth Proportional to 91,619.26, 137,378.92 and 27,568.07
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Solution
The fourth proportional to 91,619.26, 137,378.92 and 27,568.07 is: 41,337.07
Step by Step Solution
- Step 1: Write the proportion equation
91,619.26 : 137,378.92 = 27,568.07 : x - Step 2: Convert to fraction form
91,619.26/137,378.92 = 27,568.07/x - Step 3: Cross multiply
91,619.26x = 137,378.92 × 27,568.07 - Step 4: Simplify right side
91,619.26x = 3,787,271,417.24 - Step 5: Solve for x
x = 3,787,271,417.24/91,619.26 - Step 6: Final answer
x = 41,337.07
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.